200021200125 has 16 divisors (see below), whose sum is σ = 332835277632. Its totient is φ = 106677973200.

The previous prime is 200021200117. The next prime is 200021200151. The reversal of 200021200125 is 521002120002.

It is not a de Polignac number, because 200021200125 - 2³ = 200021200117 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 266694559 + ... + 266695308.

It is an arithmetic number, because the mean of its divisors is an integer number (20802204852).

Almost surely, 2^200021200125 is an apocalyptic number.

200021200125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

200021200125 is a deficient number, since it is larger than the sum of its proper divisors (132814077507).

200021200125 is an equidigital number, since it uses as much as digits as its factorization.

200021200125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 533389885 (or 533389875 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 15.

Adding to 200021200125 its reverse (521002120002), we get a palindrome (721023320127).

The spelling of 200021200125 in words is "two hundred billion, twenty-one million, two hundred thousand, one hundred twenty-five".